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Finding the Fourth Proportional to 34,979.81, 48,273.15 and 19,065.29

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Solution

The fourth proportional to 34,979.81, 48,273.15 and 19,065.29 is: 26,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.81 : 48,273.15 = 19,065.29 : x
  2. Step 2: Convert to fraction form
    34,979.81/48,273.15 = 19,065.29/x
  3. Step 3: Cross multiply
    34,979.81x = 48,273.15 × 19,065.29
  4. Step 4: Simplify right side
    34,979.81x = 920,341,362.60
  5. Step 5: Solve for x
    x = 920,341,362.60/34,979.81
  6. Step 6: Final answer
    x = 26,310.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.